LG - 55" Class B9 Series OLED 4K UHD Smart webOS TV (2019)

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The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

• Rated 5 out of 5 stars

  If you can find actual 4K HD content, its stunning

  • Incentivized
  • Verified Purchaser
  • My Best Buy® Member
  • Owned for 2 weeks

  This type of screen technology is shocking, in alot of ways. For starters, you have to handle this television carefully when you pick it up, you can't really lay it down (not recommended), and when you get it out of the box, you cannot put any pressure from your fingers or palms on the front side, so you basically have to grab the top corners just by the edges, very carefully. Suffice it to say, its worth it. Its very worth it. The picture is stunning, the blacks are the sharpest, darkest, total black you will ever see. The colors are vibrant. And things get taken to the next level when you are watching content in Dolby Vision (Dolby's version of HDR) and HDR10. So 4K content in HDR is just absolutely terrific. The best places to find that will be the built-in TV apps of Youtube, Amazon Prime Video, and Netflix. This tv is probably already sold out at this point. If you can find an open-box, I'd strongly advice to try and visit that location to see the television in person. Even used, this tv can still be better than 98% of all other televisions out there. In general, this OLED is the same exactly quality of panel as LG's 2019 and 2020 OLED lineup (B9/C9/E9/G9, BX/CX/GX). What would considered a small disappointment is that the B-series is operating with the least powerful image processor, and where you would notice that is when you are viewing regular television content, like cable television. Content that is not 4K, and is compressed video, the image processor tries to upscale and clean-up the image. And this tv may not do that good of a job. The way I see it, that's not what you bought a television like this for. If your cable company has muddy looking compressed 720p video, there's nothing you can do about that. This tv is meant for 4K content. And right now, due to many people staying home and being on the internet, services like Netflix may be limiting their bandwidth and not delivering full 4K streaming content. But eventually they will increase the video quality in those apps. This tv is meant for 4K Ultra HD blu-ray, and having a genuine REAL home theater setup with real surround speakers (and ideally Dolby Atmos speaker setup, since this tv can output that). Buying this television will probably start pushing you in the direction of trying to research and build your home theater speaker system. Once you realize you have a tv that looks almost as stunning as a well-lit theater screen, you will want to watch movies in a low-light environment, and you'll want terrific sound. For alot of people, they don't want to go to theaters anymore, and having this television will mean you won't have to compromise much on watching movies at home. And lastly, and the one that I based my purchasing decision on, it video games. We're at a point where buying a high-end computer monitor simply doesn't make any sense. Because there is no computer monitor that has all the features that this television has. If this television has a "weak" feature, it would be its HDR. Simply because it cannot deliver as much peak brightness as the next model series (C-series). But, if you watch TV in a low-light environment, that's not that big of a deal. But it is future-proof to do everything you would ask from future video game consoles and PC gaming. -It has low-latency mode, however unlike other LCD televisions (and Samsung QLEDs) an OLED does not sacrifice visual quality in order to reach that low-latency mode. This is quite huge, because other TV may have brighter HDR, but they lose that quality when you are playing in low-latency mode. -It has four HDMI 2.1 ports. And, believe it or not, these 2019 LG OLED actually have better HDMI 2.1 ports than the 2020 OLEDs. The B9 has four HDMI 2.1 ports, the 2020 BX only has two HDMI 2.1 ports. The 2020 OLEDs, their ports have a max bandwidth of 40.1 Gbps, whereas this 2019 model has 48 Gbps bandwidth in all of their ports. This shouldn't be a problem, either way. But it doesn't hurt that the 2019 has the fullest possible bandwidth under the HDMI 2.1 spec. -And WHY is that important? Because HDMI 2.1 is how you are going to be able to achieve 4K content with HDR and 120fps, and it can be at a Variable Refresh Rate (VRR) AND, this television has received a firmware update to make it G-Sync Compatible. This is what made me chose to spend money on this television over spending money on a "high-end" computer monitor. This TV will be able to handle the Gaming PC that I will be building in the future when the newest, most powerful nVidia video card comes out. That's what the G-Sync compatibility is for. The newest video card will come with an HDMI 2.1 port. The upcoming PS5 and Xbox Series X will also come with HDMI 2.1 ports. Doubtful they will ever play games at 120 fps, however if they dip below 60fps, the VRR will help prevent it from having stutter. This television will be able to handle everything piece of gaming tech that I will use within the next 5 to 10 years. With picture quality that is almost unbeatable. I know that you will see a cheap "4K TV" on sale for $300-$400 this Christmas, and most people will not want to get close to the $1,000+ level. I promise you that this tv is worth the extra money for something that you use every day. These pictures that I took off of my 3 year old smartphone do not do it justice. I had the store's flash drive that had manufacturer demo videos (you can find those online and download to your own flash drive). And my goodness, some of those videos are simply amazing. Especially that white cathedral. That is when you realize that the only thing holding back this television is genuine high-framerate, high-bitrate 4K content to actually show you what this thing could do.

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  Posted 5 years ago by JayR

• Rated 5 out of 5 stars

  Amazing picture quality and quick interface!

  • Incentivized
  • Verified Purchaser
  • My Best Buy® Member
  • Owned for less than 1 week

  First off, if you’re debating whether to splurge on an OLED vs LED 4K, buy the OLED. Sorry for the length of this review, but I put a lot of effort into finding the right TV, and hope this helps someone else.. So, I wanted to upgrade my Sony 1080p tv from around 2015 and originally bought a middle of the line LG 4K and was very excited for it. However, after just a few days of use it became very apparent that there is a reason pricing varies so much for 4K TVs, you really get what you pay for in terms of motion tracking, color accuracy, refresh rate etc., and I think these factors all become more apparent on a 4K tv than they were on older 1080p TVs as there are more pixels to show shortcomings. With this new knowledge, I spent an hour at the store with a great rep discussing options and essentially determined to get a satisfactory TV for me, I’d be looking at the highest end LED 4K from the likes of Sony (or maybe LG nanocell) for around 900-1000 bucks, OR I splurge a bit and pay 1299 for an LG OLED, at which point the screen tech makes up for LGs inferior guts compared to Sony (there’s a reason Sony OLED is much more expensive) with theoretically infinite refresh rates in both. End of the day I figured I should buy the newest tech and went OLED and have 0 regrets. Seeing a screen that can produce true black is just beautiful to witness. Heck, even loading Netflix is gorgeous with the deep black background. Word to the wise, if you’re new to 4K tech there is a learning curve in getting the picture settings right, and making sure your media devices are out putting the correct resolutions etc. My advice is set devices to auto resolution and don’t force it to always output HDR. Then use the LGs “HDR effect” picture mode for non HDR content, and the LG will automatically change its picture setting when you do play true HDR content (either HDR10 which will say “HDR” or Dolby Visual). Also, make sure you upgrade your Netflix to Ultra HD, this took me longer to realize I needed to do than I am proud of...wondered why Netflix wouldn’t give me HDR content ha. For sports use the sports picture mode, but turn down the coolness for my liking. The game mode is nice but crank the sharpness and color up imo. Oh IMPORTANT NOTE FOR SPORTS MODE, fast moving balls such as footballs etc tend to kind of “ghost” out on OLED TVs and become very light on the screen. This annoyed the heck out of me and the only remedy is TURN OFF TRUE MOTION, this greatly helps but does not fully fix it. From my understanding this is where the more expensive Sony OLEDs justify their price. Their motion tracking is insanely predictive and prevents this kind of effect, but is it worth the extra 700 bucks? You decide, but to me, no. One last note, if you do splurge on this TV, watch a HDR nature documentary (such as Our Planet) in complete darkness one night, you’ll thank me later. Happy holidays and great shopping everyone!

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  Posted 5 years ago by Jkrun03

• Rated 5 out of 5 stars

  Best tv I’ve ever owned.

  • Incentivized
  • My Best Buy® Elite Member
  • Verified Purchaser
  • Owned for 6 months

  The best tv I’ve ever owned in my life. Lg and oled tech is for sure leading the way for tvs and runs perfectly with Xbox series x and ps5 also supports all features such as 120hrtz, and hdmi 2.1

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  Posted 4 years ago by Day1